Answer: small cars can stop and go fast big trucks can not
Explanation:
Answer:

Explanation:
1) The moment of inertia of the grindstone is:



Explanation:
Motion is when an object changes position over time. The object in motion is usually in front of a reference point-an object that appears to stay in one place. The rate at which an object moves is called speed. Speed depends on both time and distance. The velocity of an object is how fast it is going in one direction
How do you know if an object has changed position?
changes position requires a point of reference. An object changes position if it moves relative to a reference point. To visualize this, picture yourself competing in a 100-m dash. You begin just behind the start line
A horizontal line means the object is. not changing its position it is not moving, it is at rest.